KODENSHI Switch SIT311

08/02/2020

How to choose the right refrigerant for cold storage

The nature of the refrigerant will directly affect the type, structure, size and operating characteristics of the refrigerator, as well as the form, equipment structure, and economic and technical performance of the refrigeration cycle.

06/14/2020

Thermal expansion valve

Thermal expansion valve Thermal expansion valves are commonly used in Freon refrigeration systems. Through the function of the temperature sensing mechanism, they automatically change with the temperature change of the refrigerant at the outlet of the ev器2䀀
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09/06/2023

What is an Inverter Heat Pump: Understanding the Technology and Benefits

An inverter heat pump is a type of HVAC system that uses advanced technology to provide efficient heating and cooling for residential and commercial spaces. Unlike traditional HVAC systems, which operate at a fixed speed, inverter heat pumps can vary their output to match the exact requirements of your space.

06/25/2020

How to distinguish between screw refrigeration compressor and piston refrigeration compressor

Distinguish from type 　　 Screw refrigeration compressors and piston refrigeration compressors are both volumetric compressors, and screw refrigeration compressors are a new type of high-speed refrigeration compressors.

08/19/2020

How to dehumidify the refrigeration system of industrial refrigerators

The water content in the industrial refrigerator system comes from two aspects. One is that the vacuum is not in place, so that air and water vapor remain in the system. The other is that the

07/18/2020

The advantages and disadvantages of screw refrigeration compressor

Power compressor is indispensable when refrigeration equipment is cooling. Such as chillers, chromatography freezers, ice machines, ultra-low temperature refrigerators, etc., their driving force is the refrigeration compressor, the entire refrigerant cycle is the refrigeration compressor

08/05/2020

You have to understand these problems about the oil return of refrigeration compressors!

The oil return of refrigeration compressors has always been a hot topic in refrigeration systems. Today, I will talk about the oil return of screw compressors. Generally speaking

09/10/2020

Air compressor lubricant performance requirements

1. High quality base oil 　　 The base oil of compressor oil can be divided into two categories: mineral oil type and synthetic oil type. The production of mineral oil-type compressor oil is generally obtained by solvent refining, solvent dewaxing, hydrogenation or clay supplement refining to obtain the base oil, and then add a variety of additives to blend.

06/14/2020

Centrifugal compressor2

Centrifugal compressors, also known as turbine compressors, are mainly used to compress gas. They are mainly composed of a rotor and a stator: the rotor includes an impeller and a shaft, and the impeller has blades, a balance disk, and a part of the shaft器2䀀
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07/07/2020

Earth Hour: Hitachi Central Air Conditioner works with you to speak for the earth